Stevenage
Waltham Abbey
Buckhurst Hill
South Mimms
South Mimms
Watford
Potters Bar
Welwyn Garden City
Hatfield
St Albans
Barnet
Stevenage
Hertford
Potters Bar
Welwyn Garden City
Potters Bar
Luton
Hatfield
Hatfield
Stevenage
Roding
Edmonton
Edmonton
Stevenage
Hoddesdon
Hemel Hempstead
St. Albans
Harlow
Stanborough
Hatfield
Luton
Hatfield
St. Albans
Tottenham
Lower Nazeing
Park Street
Nash Mills
Stevenage
Stevenage
Enfield Lock